Name: 1N4557B
Brand: Microsemi Corporation
SKU: 1N4557B
Availability: InStock
Rating: 5 (91 reviews)

1N4557B

For Reference Only

Part Number	1N4557B
Manufacturer	Microsemi Corporation
Description	DIODE ZENER 3.9V 50W TO204AD
Datasheet	1N4557B Specifications
Package	TO-204AD
ECAD
In Stock	2,384 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 31 - Jun 5 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 1N4557B (Diodes - Zener - Single) is manufactured by Microsemi Corporation and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For 1N4557B specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 1N4557B with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 1N4557B.

1N4557B Specifications

Manufacturer	Microsemi Corporation
Category	Discrete Semiconductor Products - Diodes - Zener - Single
Package	TO-204AD
ECAD
Series	-
Voltage - Zener (Nom) (Vz)	3.9V
Tolerance	±5%
Power - Max	50W
Impedance (Max) (Zzt)	0.16 Ohms
Current - Reverse Leakage @ Vr	150µA @ 500mV
Voltage - Forward (Vf) (Max) @ If	1.5V @ 10A
Operating Temperature	-65°C ~ 175°C
Mounting Type	Through Hole
Package / Case	TO-204AD
Supplier Device Package	TO-204AD (TO-3)

1N4557B Reviews

Jaden*****arreal

March 30, 2023

★ ★ ★ ★ ★

Super easy to replace and labelled terminals made it a quick replacement.

Mos*****Dewan

March 19, 2023

★ ★ ★ ★ ★

Excellent ! 1N4557B item arrived very quickly and was packaged well, no issues.

Jac***** Kemp

March 16, 2023

★ ★ ★ ★ ★

These are the most popular variety of components of different types!

Carol*****owers

March 15, 2023

★ ★ ★ ★ ★

Very easy to find and order what I wanted. Being able to add multiple items in various quantities from an online catalog page with a simple click.

Princ*****Curtis

March 10, 2023

★ ★ ★ ★ ★

They worked great. Not much to say - as far as I can tell they adhere to the specs, and did the job I needed them to. Good transistors for higher current situations.

Ange*****leman

March 7, 2023

★ ★ ★ ★ ★

Well packed, good item, capacitors both within 2.5% tolerance!

Jade *****atrick

March 7, 2023

★ ★ ★ ★ ★

Every little component you can always find in here, and good suggestion for relative times too.

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1N4557B Packaging

1N4557B FAQ

1. How to order 1N4557B on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that 1N4557B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 1N4557B. All suppliers must pass our qualification reviews before they can publish their products including 1N4557B on Heisener; we pay more attention to the channels and quality of 1N4557B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 1N4557B price and inventory displayed accurate?

The price and inventory of 1N4557B fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of 1N4557B?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the 1N4557B we delivered, we will accept the replacement or return of the 1N4557B only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of 1N4557B.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as 1N4557B pin diagram, 1N4557B datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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1N4557B Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
JANTX1N4557B D# JANTX1N4557B	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 2-Pin TO-3 Tray - Trays (Alt: JANTX1N4557B) RoHS: Not Compliant	0
JAN1N4557B D# JAN1N4557B	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 2-Pin TO-3 Tray - Trays (Alt: JAN1N4557B) RoHS: Not Compliant	0
JANTXV1N4557B D# JANTXV1N4557B	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 2-Pin TO-3 Tray - Trays (Alt: JANTXV1N4557B) RoHS: Not Compliant	0
1N4557B D# 1N4557B	Microchip Technology Inc	Diode Zener Single 3.9V 5% 50W 3-Pin(2+Tab) TO-3 - Trays (Alt: 1N4557B) RoHS: Not Compliant	0

Part Number

Manufacturer

Description

Stock

1N4557B MSC

1N4557B

New Jersey Semiconductor Products, Inc.

944

Part Number

Manufacturer

Description

Stock

1N4557B

Microsemi Corporation

DIODE ZENER 3.9V 50W TO204AD

Part Number

Manufacturer

Description

Stock

1N4557B

D# 1N4557B-ND

Microchip Technology Inc

DIODE ZENER 3.9V 50W TO204AD

Part Number	Manufacturer	Description	Stock
JAN1N4557B	Microwave Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	58
1N4557BMSC		OEM/CM QUOTES ONLY \| NO BROKERS	7
1N4557B	SSI	OEM/CM QUOTES ONLY \| NO BROKERS	1650
JANTX1N4557B	Microsemi Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	1
J1N4557B	SIEMENS	OEM/CM QUOTES ONLY \| NO BROKERS	2

Part Number	Manufacturer	Description	Stock
1N4557B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4557B-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4557B-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4557B-LC	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4557B-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTX1N4557B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4557B-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JAN1N4557B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4557B-LOT CHARGE	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0
JANTXV1N4557B	Microchip Technology Inc	Zener Diodes RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
1N4557B D# MCHP00000040209	Microchip Technology Inc	Zener Diodes	0
JAN1N4557B-LC D# MCHP00000057385	Microchip Technology Inc	Zener Diodes	0
JANTX1N4557B-LC D# MCHP00000065662	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4557B-LC D# MCHP00000071148	Microchip Technology Inc	Zener Diodes	0
JANTX1N4557B-LOT CHARGE D# MCHP00000065663	Microchip Technology Inc	Zener Diodes	0
JANTX1N4557B D# MCHP00000065661	Microchip Technology Inc	Zener Diodes	0
JAN1N4557B-LOT CHARGE D# MCHP00000057386	Microchip Technology Inc	Zener Diodes	0
JAN1N4557B D# MCHP00000057384	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4557B-LOT CHARGE D# MCHP00000071149	Microchip Technology Inc	Zener Diodes	0
JANTXV1N4557B D# MCHP00000071147	Microchip Technology Inc	Zener Diodes	0

Part Number	Manufacturer	Description	Stock
1N4557B+JAN D# NS-1N4557B+JAN	Defense Logistics Agency	OEM/CM ONLY	4864
1N4557B+JANTXV D# NS-1N4557B+JANTXV	Defense Logistics Agency	OEM/CM ONLY	9890
1N4557B D# NS-1N4557B	NJS	OEM/CM ONLY	8682
1N4557B+JANTX D# NS-1N4557B+JANTX	Defense Logistics Agency	OEM/CM ONLY	2678

Part Number

Manufacturer

Description

Stock

1N4557B

New Jersey Semiconductor Products Inc

408

Part Number

Manufacturer

Description

Stock

JAN1N4557B

D# JAN1N4557B

N/A

Inventory R

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1N4557B

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